férus

In a sentence

• Les étudiants férus de littérature passaient leurs après-midi à la bibliothèque.

  The students passionate about literature spent their afternoons at the library.

  Here, 'férus' is used as an adjective to describe individuals who have a keen interest or passion for a subject, in this case, literature.

• Elle est férue d'histoire ancienne et peut discuter des dynasties pendant des heures.

  She is enthusiastic about ancient history and can discuss dynasties for hours.

  In this example, 'férus' (feminine form 'férue') illustrates someone's personal and in-depth interest in a particular subject - ancient history.

• Nous sommes férus des progrès technologiques et toujours à jour sur les nouvelles innovations.

  We are enthusiasts of technological advancements and always up-to-date on new innovations.

  Here, 'férus' is applied to demonstrate a collective interest or enthusiasm for an ongoing topic, which is technological advancements.